Pen receptacle unit



FIG. 1 is a perspective view of a pen receptacle unit showing my new design;

FIG. 2 is a right side elevational view, the left side being a mirror image thereof;

FIG. 3 is a top plan view;

FIG. 4 is a front elevational view;

FIG. 5 is a rear elevational view; and

FIG. 6 is a bottom plan view thereof.

The characteristic feature of the design resides in the single flattened panel on the top surface of the pen receptacle in combination with the truncated pyramid-shaped base. 

The ornamental design for a pen receptacle unit, as shown and described. 